Almost all people need some escape from "reality", men more than
women.

Most men follow sports too intensely, some booze, some chase women,
some do all three.

A few are pilots. With very few exceptions I find being active pilots
aren't chasing girls, boozing, and so on.

So be thankful your hubby wants to take up a relatively clean way to
escape. His risks increase while flying, but I believe risk of other
negative things decrease.